Save the new file with direct stream video and audio. Note:if you have saved the parts with names like p1, p2, p3, the VirtualDub will append p2 and p3 at the same time. 'Video' 'Direct stream Copy' 'Frame rate' 'Change Frame Rate to FPS' and enter 12.5, then beneath that in the next section, choose 'Convert to FPS' and insert 25.Īt this point you could click 'Audio', select the compression again and save the new clip, but you might want to make the sound 'normal but slowed down' by selecting 'Use Advanced Filtering' 'Filters'.Īdd the filters 'Input' 'Stretch' 'Ratty Pitch' and 'Output'Ĭlick on 'Stretch' and enter '2', click on 'Ratty' and enter '2' - don't forget to compress the audio, save the new AVI and importantly, reset the video frame rate and turn off the advanced filter.Ĭlear the edit point again and select the third part, recompress the audio, and video direct stream copy and save it. Now select the compression youd like to use, by going to Video compression. It has batch-processing capabilities for processing large numbers of files and can be extended with third-party video filters. It is streamlined for fast linear operations over video. Set the new start point for the second (slow motion part) and the end point. VirtualDub is a video capture/processing utility for Windows platforms. Last edited by davexnet 24th Feb 2010 at 23:04. Usually LAME ACM is used for mp3 encoding, but I don't know i it it works in Win 7. I like to use Xvid MPEG 4 codec for video, and MPEG-Layer 3 for audio. Select FFDshow, under encoder select mpeg-4 or xvid, change the mode to one pass quantizer and drag the slider to 4. 'Video' 'Direct Stream Copy' and save the first part (p1).Ĭlear the edit, but don't move the slider. This is a video explaining how to use VirtualDub to compress your videos. Select the first part (which will be normal speed) and click 'Audio' 'Full Compression' and choose the original compression (44100,128 etc). Load the file, note the video FPS and audio sample rate in the file information. I choose Full Processing Mode as the video mode and Cinepak Codec by Radius I chose image quality of 100, 50 and 10. This is where you select the video capture card to work with VirtualDub. I am using VirtualDub to output compressed AVI files from input JPG files. Click OK to return to the capture console. Set the compression mode to YUY2 if available. Note, that I also compress the audio - VirtualDub seems to be fussy that way. Set this resolution to an appropriate number, preferably 640×480 or 720×480. Virtualdub: Creating A Video - School Of Architecture Digital. Assuming that you have one file and you want a part of it (the middle) in slow motion then you can do it this way. Download Virtualdub Mpeg2 & Use To Compress Mpeg2 Videos.
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